CapEx is what you spend to buy or improve things that will generate value for your business over multiple years. A $50,000 piece of equipment is CapEx. A $1,200 office chair is probably an operating expense. The line between the two depends on your accounting policy and the amount, but the principle is: if it lasts more than a year and has substantial value, it's capital spending.
CapEx vs. operating expenses
Operating expenses are consumed in the period they're incurred — a month's rent, a software subscription, an employee's salary. CapEx is capitalized: recorded as an asset on the balance sheet and then depreciated over its useful life. This means CapEx doesn't hit your P&L all at once the way an operating expense does. It shows up gradually as depreciation.
Why CapEx matters for cash flow
This is where many small business owners get confused. A $100,000 equipment purchase might only show $20,000 of depreciation on the P&L in the first year — but $100,000 of real cash left the bank. The cash flow statement's investing activities section captures this gap. It's one of the main reasons a profitable business can have tight cash: heavy CapEx years drain cash even when they don't drain reported profit.
CapEx and growth decisions
Every significant CapEx decision is essentially a bet that the asset will generate more value than it costs, over its useful life. Before making a major capital purchase, it's worth modeling whether the additional revenue or cost savings it enables actually justify the cash outlay — not just the annual depreciation charge.
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